| What it does | Quick and easy file transfer service for sending large files securely
| Free online tool to compress images to exact KB size
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| Stage | Not given
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| Founded | 2023
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| Based in | SE
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| Pricing model | Freemium
| Free
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| Pricing | Not given
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| Key features | - End-to-end encryption for Quick Transfers
- Unlimited file size transfers
- File request links that don't require an account
- Download and view tracking
- Team collaboration with member management
- Real-time Quick Transfers between browsers
- Files stored up to 365 days
- No third-party trackers
- Self-hostable open source platform
| - Supports JPG, JPEG, PNG, and WebP formats up to 10MB
- Binary-search algorithm hits target within ±5 KB
- Preset compression sizes: 20KB, 50KB, 100KB, 200KB
- All processing happens locally in browser with no server upload
- Automatic dimension scaling for very small targets
- Lightweight compression logic optimized for low-RAM devices
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| What makes it different | - Open source with full transparency
- No AI training on user files
- Independent with no shareholders
- Gigabit speeds for fast transfers
| - Browser-based processing with complete privacy - images never leave your device
- Exact KB targeting with binary search instead of quality slider guessing
- Completely free with no daily limits, signup, or watermarks
- Built specifically for exam forms, job portals, and visa applications with exact KB requirements
- Optimized for low-end devices with limited RAM and older browsers
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 33 ▲ +1 (up) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 29 | 6 |
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| Citation Flow (Majestic) | 27 | 19 |
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| Referring domains (Majestic) | 264 | 9 |
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Transfer.zip
KB Reducer